Envelop.



W. S. BROWN.

NVELOP.

APPLICATION FILED we. 24, 1000,

Patented Nov. 1, 1910.

KJNKTED @TlikTlTEfil PATENT Ulllilttlitth WILLIAM SWAIN BROWN, 01"

IPARDOE, PENNSYLVANIA.

ENVELOTP.

EVMJE 'll '7.

Application filed August 24.

to all whom it may concern.

Bo it known that l, Wuattn SWAIN lntowN, oitixon of tho Uuitod Statorosith ing at lardoo, in tho county of Mort-or and Htato ollonnsylvania, hat'o invontod con tain now and usolul llnprovoinonts inthi volops. o'l whioh tho following is a spot-itioataon.

This inyonl'ion rolatos to onvolops, and rotors particularly to anitnprovotnont upon Lottors Patont' #869,102, grantod ()ot. 2'3, 1907.

An object of this invont'ioir is to provide a mailingroooptaolo\\'lli('lt is so oonstrtn-tod that tho sanio may ho olosotil without thouso of an adhosivo suhstanoo and will ho so olosod that tho opt-hing oltho satin. will ho rondily dotootod as it nooossitatos tho nuttilationof a portion of the olosurol.

'lho invention has for anothor objoot tho provision of a dovioo of thischaracter,whioh is sitnplo in formation and which can he ttirtltflilyand roadily inado l'ront a stmnpod blank or form so as to prodtu-o anartiolo whioh is ta-ononiioally uianul'aoturtal and may ho gonorall vusod.

Furthor ohjot-ts and adranlagos will appoar as tho dosoription proooods.and will ho sot forth in tho appondod olailn.

In tho tlli.\\'ll! l iguro t is a porspootivo riow ol tho roar sido oftho ilnprovod onvolop in an opon position: hi4. i is a porspootiro viowof tho l'ront sido of tho santo disolosingr tho front wall ol' tho sanas hoing hrokon away and tho onrolop in a olosod is a oontral transvorsosooposition; Fig. I;

a t'losod potion through tho onvolop. in sitiott.

tlorrospoinling and liko par ztv' rol'orrod t in tho followingdosoripuon and indioatod in all tho ":iows of tho aooonipalrvingdrawings by tho santo rotoronoo oharaotors. Roforring to tho drawings 10dosignatos a Specification of Letters Patent.

7 atontzott Nov. it, 1911.0.

1909. Serial No. 5141118.

l'ront wall having a taportal tonguo 1.1 with inturnod flaps ti and ll}oppositely formed at tho outor ond thoroot to provide shoul' dot-s l tand onlargonn-nt :20. 'lho front wall It) oarrio. onds 1-3 and It. andan outwardly taporod llilt'l{ 1| whioh aro soourotl togothor l anysuitahlo adhosivo substance. An inwardly turnod looking strip 1b isintogrally forlnod at tho outor odgo of the haxk IT and ongagod at itsopposito onds hotwoon tho back It) and tho onds 1.5 and ltl. A slot l.)is l'orniod in tho upper oud of the haok IT to roooivo tho tonguo It.

To oloso tho onvolop tho tonguo 11 is bent;- lniokwardly and ongagodthrough the slot 1%). 'lho llaps l2 and 12$ now oxpatn'l and ongago thoshouldors ll against tho lowor odg'o of tho looking strip 18 to pro /onttho \\'it|nlra\\'al of tho tongue, 11. Mutilation of tho onrolop is thusnooossary when it is dosirod to gain aoooss to tho oontonts thereof.

Having thus dosorihod tho inyontion,what is olaitnod as now is;---

An onvolop tortnod of an intogral hlztnk having a l't'ont', a haok, ondson tho front; t'ol' overlapping ongagotnont against thojnnor tat-o ot'tho haok. tho ond ot the back hoing turnod inwardly to tot-tn a lookingstripainl hoing hold in position hotwoon tho hark and tho onds. thohat-k llitVlttL'f a slot thoroin spatod ZIlHH'P tho lowor odg'o of tholoo-king strip, and a tonguo fornn-d on said front and hont inwardly anddiagonally to lot-n1 [laps having shouldot's to ongag'o against tholooking strip upon tho iusortion of said tonguo into tho slot.

vTn tostitnony whorool' l allix my ,signaturo in prosoin'o of two\\'itnossos. I

WlL-ldMl SWAIN BROWN l t.

Witnossos:

U. A. Ulgown, Faun t). .lUIlNstiN.

